Downsized rhymes with:
anglicized, capsized, circumcised, criticized, emphasized, excised, exercised, fantasized, full-sized, hypothesized, metastasized, midsized, ostracized, outsized, overemphasized, oversized, politicized, publicized, romanticized, synthesized, undersized, unexercised
Downsized sounds like:
damaged, daminozide, danced, danstett, dehumanized, demonized, denounced, densest, density, dienst, diminished, donizetti, doomsday, downcast, downside, downstate, dunked, dunst, dynasty